Table 1.
The characteristics of patients.
| Items | |
|---|---|
| Age, mean ± SD (n = 133) | 57.8 ± 13.6 |
| Histological grade, n (%) | |
| I | 14 (11.3) |
| II | 82 (66.1) |
| III | 28 (22.6) |
| Vascular invasion, n (%) | |
| No | 86 (67.7) |
| Yes | 41 (32.3) |
| Nerve invasion, n (%) | |
| No | 101 (82.1) |
| Yes | 22 (17.3) |
| Axillary lymph node metastasis, n (%) | |
| No | 22 (45.8) |
| Yes | 26 (54.2) |
| E-Cadherin expression, n (%) | |
| No | 6 (5.1) |
| Yes | 112 (94.9) |
| Ki-67 index, mean ± SD (n = 125) | 30%±25% |
| CK20 expression, n (%) | |
| No | 56 (91.8) |
| Yes | 5 (8.2) |
| CK7 expression, n (%) | |
| No | 9 (13.2) |
| Yes | 59 (86.8) |